static int cpufreq_set_policy(struct cpufreq_policy *policy,
struct cpufreq_governor *new_gov,
unsigned int new_pol);
+static bool cpufreq_boost_supported(void);
/*
* Two notifier lists: the "policy" list is involved in the
}
define_one_global_rw(boost);
+static ssize_t show_local_boost(struct cpufreq_policy *policy, char *buf)
+{
+ return sysfs_emit(buf, "%d\n", policy->boost_enabled);
+}
+
+static ssize_t store_local_boost(struct cpufreq_policy *policy,
+ const char *buf, size_t count)
+{
+ int ret, enable;
+
+ ret = kstrtoint(buf, 10, &enable);
+ if (ret || enable < 0 || enable > 1)
+ return -EINVAL;
+
+ if (!cpufreq_driver->boost_enabled)
+ return -EINVAL;
+
+ if (policy->boost_enabled == enable)
+ return count;
+
+ cpus_read_lock();
+ ret = cpufreq_driver->set_boost(policy, enable);
+ cpus_read_unlock();
+
+ if (ret)
+ return ret;
+
+ policy->boost_enabled = enable;
+
+ return count;
+}
+
+static struct freq_attr local_boost = __ATTR(boost, 0644, show_local_boost, store_local_boost);
+
static struct cpufreq_governor *find_governor(const char *str_governor)
{
struct cpufreq_governor *t;
return ret;
}
+ if (cpufreq_boost_supported()) {
+ ret = sysfs_create_file(&policy->kobj, &local_boost.attr);
+ if (ret)
+ return ret;
+ }
+
return 0;
}
ret = cpufreq_driver->set_boost(policy, state);
if (ret)
goto err_reset_state;
+
+ policy->boost_enabled = state;
}
cpus_read_unlock();